import os

gitindex = os.path.join(os.path.dirname(os.getcwd()), '.git', 'index')

try:
    with open(gitindex, 'rb') as f:
        index = f.read()
except IOError:
    index = None

def in_index(path):
    return (index is None or
        path.encode("ascii", "ignore") in index or
        path in ["Lib/_pydecimal", "Lib/contextvars", "Lib/_contextvars"]
        )
